ASNQ, Answer Sentence Natural Question [1]} is a large-scale open domain corpus for AS2. The corpus is built by transforming the recently proposed Natural Question (NQ) dataset [2]} corpus from MR into AS2. In short, the corpus consists of 57,242 distinct natural questions for training, and 2,672 for development. For each question, candidate answers have been extracted from a single Wikipedia page. The corpus contains 21,307,630 question/answer pairs, with an average of 356 answer candidates per question.
